You need to include your code I think. This makes no sense on a quick look, so unless we see some code it'll be hard to know whether we're looking at anything relevant.
Best Erick On Mon, Jun 2, 2008 at 1:19 AM, Sonu Sudhakar <[EMAIL PROTECTED]> wrote: > Hi, > > I have done some more analysis on this issue. I think it is related to > lucene's default operator. > I am getting excat results, when I sets the default operator as 'OR', but > facing problem when setting the default operator as 'AND'. > > The following are the lucene QueryParser outputs for both cases. > > Query :* TTL:store AND TTL:data OR TTL:variable > > *1. When lucene default operator is '*OR' > > *QueryParser output using toString method: * > +TTL:store +TTL:data TTL:variable > > > *2. When lucene default operator is '*AND' > > *QueryParser output using toString method: > *+TTL:store TTL:data TTL:variable > > *The output of second case is confusing me. > > Could anybody please give me an explanation for this behavior? > > Thanks, > Sonu > > On Thu, May 29, 2008 at 3:49 PM, Sonu Sudhakar <[EMAIL PROTECTED]> wrote: > > > Erick, > > > > Thanks for your reply. > > > > I am working with approximately 1 million documents. They are indexed in > 4 > > servers. Each document has multiple fields. I am using > ParallelMultiSearcher > > for searching purpose. > > > > I tried a few queries in the title(TTL) field. > > > > i started with a simple query without boolean operators. > > > > *1. TTL:data => 3733 results (all matches had "data" in title)* > > > > Then I tried a second one with AND operator. > > > > *2. TTL:data AND TTL:store => 19 results* > > > > I analyzed the results. the results had both "data" and "store" in the > > title. > > > > *I then tried OR operator* > > > > *3. TTL:data AND TTL:store OR TTL:variable* > > > > I got 3,733 results., same as the query TTL:data. > > > > I even tried giving a meaningless query > > > > TTL:data AND TTL:storettttt OR TTL:variablettttt => 3,733 results (The > > results were same as that of TTL:data.) > > > > TTL:data AND TTL:computer OR TTL:device => 3,733 results (this also > showed > > the same results as above) > > > > The same thing repeats for other cases too. The queries below also > behaved > > the same way. > > i.e. - > > > > 1. TTL:store AND TTL:data OR TTL:variable => 76 results > > 2. TTL:store AND TTL:datatttt OR TTL:variabletttt => 76 results > > 3. TTL:store AND TTL:computer OR TTL:device => 76 results > > > > > > 1. TTL:variable AND TTL:data OR TTL:store => 1,496 results > > 2. TTL:variable AND TTL:datatttt OR TTL:storetttt => 1,496 results > > 3. TTL:variable AND TTL:computer OR TTL:device => 1,496 results > > > > I hope you have a clearer picture of my issue now. > > > > Thanks, > > Sonu > > > > > > On Wed, May 28, 2008 at 7:09 PM, Erick Erickson <[EMAIL PROTECTED] > > > > wrote: > > > >> It's unclear what you *should* expect. How is your data > >> distributed? > >> > >> In other words, how many documents do you have? In this example, > >> for instance, > >> 1. TTL:data AND TTL:store OR TTL:variable => 3,733 results > >> it considered the TTL:data part only. > >> > >> it's perfecily reasonable if every document that had "variable" in the > >> field *also* has "data" and "store" in the field. So your numbers > >> don't give us much to work with..... > >> > >> Remember, though, that Lucene syntax isn't a pure boolean syntax. See > >> > >> http://wiki.apache.org/lucene-java/BooleanQuerySyntax > >> > >> And when in doubt parenthesize <G>... > >> > >> Best > >> Erick > >> > >> On Wed, May 28, 2008 at 7:44 AM, Sonu Sudhakar <[EMAIL PROTECTED]> > wrote: > >> > >> > Hi, > >> > > >> > I have some issue with boolean queries. > >> > > >> > I am using Lucene-core-2.3.1. > >> > > >> > I have done test on boolean query with 3 terms (data, store, variable) > >> in > >> > my > >> > TTL field. The TTL field is indexed and searched using > StandardAnalyzer. > >> > > >> > The three terms when searched individually gave the following result > >> > > >> > 1. TTL:data => 3,733 results > >> > 2. TTL:store => 76 results > >> > 3. TTL:variable => 1,496 results > >> > > >> > But found issue when combining these terms with boolean operators. > >> > > >> > e.g. > >> > 1. TTL:data AND TTL:store OR TTL:variable => 3,733 results > >> > it considered the TTL:data part only. > >> > > >> > 2. TTL:store AND TTL:data OR TTL:variable => 76 results > >> > it considered the TTL:store part only. > >> > > >> > 3. TTL:variable AND TTL:data OR TTL:store => 1,496 results > >> > it considered the TTL:variable part only. > >> > > >> > But I am getting correct result when combining terms with 'AND' > >> operator. I > >> > think the issue is with 'OR' operator. > >> > > >> > > >> > Could anybody give an explanation for this behavior of lucene? > >> > Could you give suggestions to rectify this? > >> > > >> > Thanks, > >> > Sonu > >> > > >> > > > > >
